Home / 215,898,175.60-323,847,263.40-143,197,046.80

Finding the Fourth Proportional to 215,898,175.60, 323,847,263.40 and 143,197,046.80

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Solution

The fourth proportional to 215,898,175.60, 323,847,263.40 and 143,197,046.80 is: 214,795,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,175.60 : 323,847,263.40 = 143,197,046.80 : x
  2. Step 2: Convert to fraction form
    215,898,175.60/323,847,263.40 = 143,197,046.80/x
  3. Step 3: Cross multiply
    215,898,175.60x = 323,847,263.40 × 143,197,046.80
  4. Step 4: Simplify right side
    215,898,175.60x = 46,373,971,733,141,728
  5. Step 5: Solve for x
    x = 46,373,971,733,141,728/215,898,175.60
  6. Step 6: Final answer
    x = 214,795,570.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.